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kalkül Costs

5.0 (1)

kalkül is a simple yet powerful invoicing and bookkeeping program for sole proprietors and freelancers in Austria – free forever, with no hidden limits.

kalkül Pricing

Last edited: August 2026

Popular
Forever Free
Free
All key features unlimited: invoices, quotes, bookkeeping, reminders & more. A few extras are part of the optional Supporter Plan — our deliberate choice to support the self-employed in Austria.
Unlimited invoices
Unlimited quotes
Unlimited delivery notes
Unlimited payment reminders
Unlimited customers & suppliers
Unlimited expenses & receipts
Unlimited products & services
Your own logo & company details
Automatic income & expense statement
SEPA-QR code for fast invoice payment
Export for your tax advisor
Optional line items in quotes
Overall & line-item discounts
Automatic VAT ID verification
Send documents by email in 1 click
and much more!
Support us
From9.90 €/ Month
Two Austrian developers, one goal: keeping kalkül simple and free for everyone. Support us and unlock extras like bank integration & custom design – from €9.90/month.
Connect your bank account
Recurring invoices
Invoices in foreign currencies
Invoice designer
Email designer
Asset register

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